Ineed with this quick extra points and i’m marking brainlist to step by step explanation

5x−4≥12 or 12x+5≤−4 can you with this problem

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places